Who Invented AD Time? The Story Behind Anno Domini
Discover who invented AD time and learn about the origins of the Anno Domini calendar system.
Understanding How AD Years Are Calculated in the Gregorian Calendar
Learn how AD years are calculated based on the Gregorian calendar, starting from the year of Jesus Christ's birth.
Why Is The Year 2024 Based on Human History and Not Earth's Age?
Explore why we use the year 2024 in the Gregorian calendar despite Earth's age of 4.5 billion years.